1 拚命干
hard hustle coonjin sweat work ass off Work head off hammer at sweat guts out
2 尽全力
main at full stretch
3 竭尽全力
strain flat out bend over backwards strain every nerve do oneself justice do level best with all might have shot bolt be at the top of game at strain
4 尽最大努力
pull out all stops outdo oneself shoot the works bend over backward under God
5 拼命干
bullock go it hard at it